CVE-2014-9277

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2015-01-04 · updated 2026-06-17
Weakness: CWE-77

Description

The wfMangleFlashPolicy function in OutputHandler.php in MediaWiki before 1.19.22, 1.20.x through 1.22.x before 1.22.14, and 1.23.x before 1.23.7 allows remote attackers to conduct PHP object injection attacks via a crafted string containing <cross-domain-policy> in a PHP format request, which causes the string length to change when converting the request to <NOT-cross-domain-policy>.

Affected products

Wikimedia Foundation MediaWiki: through 1.19.21; 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5 (+35)

References

http://securitytracker.com/id?1031301
http://www.debian.org/security/2014/dsa-3100
http://www.openwall.com/lists/oss-security/2014/12/03/9
http://www.openwall.com/lists/oss-security/2014/12/04/16
https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-November/000170.html
https://phabricator.wikimedia.org/T73478
http://securitytracker.com/id?1031301
http://www.debian.org/security/2014/dsa-3100
http://www.openwall.com/lists/oss-security/2014/12/03/9
http://www.openwall.com/lists/oss-security/2014/12/04/16
https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-November/000170.html
https://phabricator.wikimedia.org/T73478

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